/Engine/Source/Editor/UnrealEd/Classes/Editor/UnrealEdTypes.h
Structure for 'parameterized' Lightmass settings
struct FLightmassParameterizedMaterialSettings
FLightmassBoole...
CastShadowAsMasked
If true, forces translucency to cast static shadows as if the material were masked.
FLightmassScala...
DiffuseBoost
Scales the diffuse contribution of this material to static lighting.
FLightmassScala...
EmissiveBoost
Scales the emissive contribution of this material to static lighting.
FLightmassScala...
ExportResolutionScale
Scales the resolution that this material's attributes were exported at.